/*
* Copyright 1999-2002,2004 The Apache Software Foundation.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.cocoon.portal.layout.renderer.aspect.impl;
import org.apache.avalon.framework.activity.Disposable;
import org.apache.avalon.framework.activity.Initializable;
import org.apache.cocoon.portal.event.EventManager;
import org.apache.cocoon.portal.event.Receiver;
/**
* This aspect creates an event and subscribes to it as well
*
* @author <a href="mailto:cziegeler@s-und-n.de">Carsten Ziegeler</a>
*
* @version CVS $Id: AbstractActionAspect.java 219049 2005-07-14 15:11:52Z cziegeler $
*/
public abstract class AbstractActionAspect
extends AbstractAspect
implements Receiver, Disposable, Initializable {
/* (non-Javadoc)
* @see org.apache.avalon.framework.activity.Disposable#dispose()
*/
public void dispose() {
if ( this.manager != null ) {
EventManager eventManager = null;
try {
eventManager = (EventManager)this.manager.lookup(EventManager.ROLE);
eventManager.unsubscribe( this );
} catch (Exception ignore) {
// ignore exceptions
} finally {
this.manager.release( eventManager );
}
this.manager = null;
}
}
/* (non-Javadoc)
* @see org.apache.avalon.framework.activity.Initializable#initialize()
*/
public void initialize() throws Exception {
EventManager eventManager = null;
try {
eventManager = (EventManager)this.manager.lookup(EventManager.ROLE);
eventManager.subscribe( this );
} finally {
this.manager.release( eventManager );
}
}
}